[zingshoen]

just going by colours is probably a bit risky, better check where they connect to and what they are supposed to do...previous owner could have rigged it up wrongly...or chinese factory...maybe you can find a diagram here
http://www.hooperimports.com/showpages.asp?pid=1013

- maybe read the bit at the bottom about the inconsistent colour codes!
- write your setup down for future reference.
- make sure you have good ground wires going to the frame!